META-INF.batch-jobs.chunkRuby.xml Maven / Gradle / Ivy

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<?xml version="1.0" encoding="UTF-8"?>

<!--
 Copyright (c) 2014 Red Hat, Inc. and/or its affiliates.

 This program and the accompanying materials are made
 available under the terms of the Eclipse Public License 2.0
 which is available at https://www.eclipse.org/legal/epl-2.0/

 SPDX-License-Identifier: EPL-2.0
-->

<job id="chunkRuby" xmlns="http://xmlns.jcp.org/xml/ns/javaee"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/jobXML_1_0.xsd"
     version="1.0">
    <step id="chunkRuby.step1">
        <chunk item-count="3">
            <reader>
                <properties>
                    <property name="resource" value="#{systemProperties['java.io.tmpdir']}/numbers.csv"/>

                    <!-- open and close are built-in functions in Ruby, so need to map batch API's open & close
                    methods to some other names to avoid overriding ruby built-in functions.
                    The following methodMapping property maps batch API's open method to openBatch function in the
                    src script.
                    -->
                    <property name="methodMapping" value="open=openBatchReader, close=closeBatchReader"/>
                </properties>
                <script type="jruby" src="ruby/item-reader.rb"/>
            </reader>

            <processor>
                <script type="jruby">
                <![CDATA[
                #access built-in variables: jobContext, stepContext and batchProperties,
                #set job exit status to the value of testName property.
                #
                def processItem(item)
                    puts('In processItem(), jobName: ' + $jobContext.getJobName() + ', stepName: ' + $stepContext.getStepName())
                    puts(item)
                    testName = $batchProperties.get('testName')
                    $jobContext.setExitStatus(testName)
                    return item
                end
                ]]>
                </script>
            </processor>
            <writer>
                <properties>
                    <property name="methodMapping" value="open=openBatchWriter, close=closeBatchWriter"/>
                </properties>
                <script type="jruby">
                <![CDATA[
                def openBatchWriter(checkpoint)
                    puts('In writer open')
                end

                def closeBatchWriter()
                    puts('In writer close')
                end

                def writeItems(items)
                    puts('items to write: ')
                    puts(items)
                end
                ]]>
                </script>
            </writer>
        </chunk>
        <end on="*" exit-status="chunkRuby"/>
    </step>
</job>